{"product_id":"mrcool-diy-5th-gen-3-zone-21-000-btu-ceiling-cassette-ductless-mini-split-air-conditioner-heat-pump-6k-6k-9k","title":"MRCOOL DIY 5th Gen 3-Zone 21,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner \u0026 Heat Pump (6K+6K+9K)","description":"\u003cstyle\u003e\n    .iron-theme{\n      --black:#0b0b0b; --gray:#6b7280;\n      --red:#c1121f; --red2:#e11d2e;\n      --border:#e5e7eb; --soft:#f8fafc;\n      font-family: Arial, Helvetica, sans-serif;\n      color: var(--black);\n      max-width: 1100px;\n      margin: 0 auto;\n      line-height: 1.7;\n    }\n    .shell{border:1px solid var(--border);border-radius:16px;overflow:hidden;background:#fff;box-shadow:0 10px 28px rgba(0,0,0,.08);}\n    .top{padding:24px;}\n    .kicker{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--gray);margin:0 0 8px;}\n    h1{margin:0;font-size:30px;font-weight:900;text-transform:uppercase;}\n    .sub{margin:12px 0 0;font-size:15px;max-width:100ch;}\n    .stripe{height:8px;background:linear-gradient(90deg,var(--red) 0%,var(--red) 70%,var(--red2) 100%);}\n    .content{padding:24px;background:var(--soft);}\n    .card{border:1px solid var(--border);border-radius:16px;background:#fff;padding:20px;margin:18px 0;box-shadow:0 8px 22px rgba(0,0,0,.06);}\n    h2{margin:0 0 12px;font-size:19px;font-weight:900;text-transform:uppercase;display:flex;align-items:center;gap:10px;}\n    h2:before{content:\"\";width:10px;height:10px;background:var(--red);border-radius:2px;}\n    ul{margin:0;padding-left:20px;}\n    ul li{margin:8px 0;}\n    table{width:100%;border-collapse:collapse;font-size:14px;}\n    th, td{border:1px solid var(--border);padding:10px;text-align:left;}\n    th{background:#f3f4f6;font-size:12px;text-transform:uppercase;font-weight:900;}\n    .callout{border:1px dashed rgba(193,18,31,.5);background:rgba(193,18,31,.06);border-radius:12px;padding:14px;font-size:14px;margin-top:12px;}\n\u003c\/style\u003e\n\n\u003csection aria-label=\"MRCOOL DIY 5th Gen 3-Zone Ceiling Cassette Mini Split\" class=\"cy3c-wrap iron-theme\"\u003e\n\u003cdiv class=\"shell\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cp class=\"kicker\"\u003e21,000 BTU Connected Capacity • OuttaSight™ Ceiling Layout • 4-Zone Capable Condenser\u003c\/p\u003e\n\u003ch2\u003eMRCOOL® DIY® 5th Gen 3-Zone Ceiling Cassette Mini Split (6K+6K+9K)\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eThe \u003cstrong\u003eMRCOOL® DIY® 5th Generation 21,000 BTU 3-Zone Ceiling Cassette Mini Split\u003c\/strong\u003e delivers flush-mount, architectural comfort by pairing a 4-zone capable 27K BTU condenser with three OuttaSight™ 1-way ceiling cassettes (6K, 6K, and 9K) for fast, vacuum-free installation and discreet climate control across two smaller rooms and one medium-sized residential or office space.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"stripe\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\n\u003cdiv class=\"content\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch2\u003eSystem Highlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuttaSight™ Architectural Design:\u003c\/strong\u003e Flush-mount ceiling cassette profile sits discreetly between standard ceiling joists, preserving wall space and interior aesthetics while delivering high-performance climate control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Way Directional Airflow:\u003c\/strong\u003e Precision louver control directs conditioned air across the room for even thermal distribution without direct drafts, operating at a sleek, low profile of 50.31\" W x 13.19\" D.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Mixed-Capacity Zoning:\u003c\/strong\u003e Tailored output combining two 6,000 BTU cassettes for smaller rooms up to 150 sq. ft. alongside one versatile 9,000 BTU cassette to manage spaces up to 350 sq. ft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpandable 27K Condenser Chassis:\u003c\/strong\u003e Deploys out of the box as a compact tri-zone system, leaving ample reserve headroom to hook up one additional handler as your property scales.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue DIY Installation Workflow:\u003c\/strong\u003e Patented pre-charged Quick Connect® lines completely eliminate conventional line evacuation, vacuuming, and professional trade labor requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"callout\"\u003eEngineered for homeowners and business owners who demand architectural, low-profile ceiling cassette integration across smaller zone footprints, offering maximum long-term expansion flexibility from a single centralized 27K condenser framework.\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"card\"\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal Connected Capacity\u003c\/th\u003e\n\u003ctd\u003e21,000 BTU (6K + 6K + 9K Ceiling Cassettes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondenser Model\u003c\/th\u003e\n\u003ctd\u003eDIY-MULTI4-27HP230D-O (4-Zone Capable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSEER2 \/ EER2 Rating\u003c\/th\u003e\n\u003ctd\u003eSEER2 21.8 | EER2 12.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeating Efficiency (HSPF2)\u003c\/th\u003e\n\u003ctd\u003eHSPF2-4: 10.0 | HSPF2-5: 7.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical Interface Requirements\u003c\/th\u003e\n\u003ctd\u003e208–230V, 1 Phase, 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRefrigerant Type\u003c\/th\u003e\n\u003ctd\u003eR-454B (Pre-Charged Eco-Friendly)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIndustry Compliance Certifications\u003c\/th\u003e\n\u003ctd\u003eUL Listed, ETL Listed, ENERGY STAR, AHRI Certified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"card\"\u003e\n\u003ch2\u003eZone Configuration \u0026amp; Performance Metrics\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification \/ Feature\u003c\/th\u003e\n\u003cth\u003eZone 1: 6K Cassette\u003c\/th\u003e\n\u003cth\u003eZone 2: 6K Cassette\u003c\/th\u003e\n\u003cth\u003eZone 3: 9K Cassette\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eCooling \/ Heating Output\u003c\/th\u003e\n\u003ctd\u003e6,000 BTU\u003c\/td\u003e\n\u003ctd\u003e6,000 BTU\u003c\/td\u003e\n\u003ctd\u003e9,000 BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCoverage Area\u003c\/th\u003e\n\u003ctd\u003e100 to 150 sq. ft.\u003c\/td\u003e\n\u003ctd\u003e100 to 150 sq. ft.\u003c\/td\u003e\n\u003ctd\u003e151 to 350 sq. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLineset Interconnect Size\u003c\/th\u003e\n\u003ctd\u003e1\/4\" Liquid • 3\/8\" Suction\u003c\/td\u003e\n\u003ctd\u003e1\/4\" Liquid • 3\/8\" Suction\u003c\/td\u003e\n\u003ctd\u003e1\/4\" Liquid • 3\/8\" Suction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLineset Length Options\u003c\/th\u003e\n\u003ctd\u003e16 ft, 25 ft, 35 ft, or 50 ft\u003c\/td\u003e\n\u003ctd\u003e16 ft, 25 ft, 35 ft, or 50 ft\u003c\/td\u003e\n\u003ctd\u003e16 ft, 25 ft, 35 ft, or 50 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUnit Dimensions \u0026amp; Weight\u003c\/th\u003e\n\u003ctd\u003e50.31\"W x 13.19\"D x 8.98\"H (45 lbs)\u003c\/td\u003e\n\u003ctd\u003e50.31\"W x 13.19\"D x 8.98\"H (45 lbs)\u003c\/td\u003e\n\u003ctd\u003e50.31\"W x 13.19\"D x 8.98\"H (45 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"card\"\u003e\n\u003ch2\u003eAdvanced Engineering \u0026amp; Warranty\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGold Fin® Corrosion Protection:\u003c\/strong\u003e Advanced clear-coat protective barrier shields the exterior condenser coil against extreme humidity and harsh coastal climates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC Inverter Drive Architecture:\u003c\/strong\u003e The continuous variable-speed rotary inverter compressor scales its operating frequency down precisely to match ambient thermal loads, completely avoiding costly current draw spikes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart Ecosystem Control:\u003c\/strong\u003e Full out-of-the-box integration via Amazon Alexa, Google Assistant, and the dedicated SmartHVAC mobile app for remote multi-zone scheduling and mode adjustments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7-Year Compressor Warranty:\u003c\/strong\u003e Commercial-grade structural factory backing ensuring the heart of your outdoor condenser system remains protected against manufacturing defects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-Year Parts Protection Framework:\u003c\/strong\u003e Comprehensive hardware replacement coverage across internal circuit boards and critical operational components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"MRCOOL","offers":[{"title":"16ft \/ 16ft \/ 16ft","offer_id":53587026968941,"sku":null,"price":5196.0,"currency_code":"USD","in_stock":true},{"title":"16ft \/ 16ft \/ 25ft","offer_id":53587027001709,"sku":null,"price":5233.0,"currency_code":"USD","in_stock":true},{"title":"16ft \/ 16ft \/ 35ft","offer_id":53587027034477,"sku":null,"price":5471.0,"currency_code":"USD","in_stock":true},{"title":"16ft \/ 16ft \/ 50ft","offer_id":53587027067245,"sku":null,"price":5556.0,"currency_code":"USD","in_stock":true},{"title":"16ft \/ 25ft \/ 16ft","offer_id":53587027100013,"sku":null,"price":5233.0,"currency_code":"USD","in_stock":true},{"title":"16ft \/ 25ft \/ 25ft","offer_id":53587027132781,"sku":null,"price":5270.0,"currency_code":"USD","in_stock":true},{"title":"16ft \/ 25ft \/ 35ft","offer_id":53587027165549,"sku":null,"price":5508.0,"currency_code":"USD","in_stock":true},{"title":"16ft \/ 25ft \/ 50ft","offer_id":53587027198317,"sku":null,"price":5593.0,"currency_code":"USD","in_stock":true},{"title":"16ft \/ 35ft \/ 16ft","offer_id":53587027231085,"sku":null,"price":5471.0,"currency_code":"USD","in_stock":true},{"title":"16ft \/ 35ft \/ 25ft","offer_id":53587027263853,"sku":null,"price":5508.0,"currency_code":"USD","in_stock":true},{"title":"16ft \/ 35ft \/ 35ft","offer_id":53587027296621,"sku":null,"price":5746.0,"currency_code":"USD","in_stock":true},{"title":"16ft \/ 35ft \/ 50ft","offer_id":53587027329389,"sku":null,"price":5831.0,"currency_code":"USD","in_stock":true},{"title":"16ft \/ 50ft \/ 16ft","offer_id":53587027362157,"sku":null,"price":5556.0,"currency_code":"USD","in_stock":true},{"title":"16ft \/ 50ft \/ 25ft","offer_id":53587027394925,"sku":null,"price":5593.0,"currency_code":"USD","in_stock":true},{"title":"16ft \/ 50ft \/ 35ft","offer_id":53587027427693,"sku":null,"price":5831.0,"currency_code":"USD","in_stock":true},{"title":"16ft \/ 50ft \/ 50ft","offer_id":53587027460461,"sku":null,"price":5916.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 16ft \/ 16ft","offer_id":53587027493229,"sku":null,"price":5233.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 16ft \/ 25ft","offer_id":53587027525997,"sku":null,"price":5270.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 16ft \/ 35ft","offer_id":53587027558765,"sku":null,"price":5508.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 16ft \/ 50ft","offer_id":53587027591533,"sku":null,"price":5593.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 25ft \/ 16ft","offer_id":53587027624301,"sku":null,"price":5270.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 25ft \/ 25ft","offer_id":53587027657069,"sku":null,"price":5307.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 25ft \/ 35ft","offer_id":53587027689837,"sku":null,"price":5545.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 25ft \/ 50ft","offer_id":53587027722605,"sku":null,"price":5630.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 35ft \/ 16ft","offer_id":53587027755373,"sku":null,"price":5508.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 35ft \/ 25ft","offer_id":53587027788141,"sku":null,"price":5545.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 35ft \/ 35ft","offer_id":53587027820909,"sku":null,"price":5783.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 35ft \/ 50ft","offer_id":53587027853677,"sku":null,"price":5868.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 50ft \/ 16ft","offer_id":53587027886445,"sku":null,"price":5593.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 50ft \/ 25ft","offer_id":53587027919213,"sku":null,"price":5630.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 50ft \/ 35ft","offer_id":53587027951981,"sku":null,"price":5868.0,"currency_code":"USD","in_stock":true},{"title":"25ft \/ 50ft \/ 50ft","offer_id":53587027984749,"sku":null,"price":5953.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 16ft \/ 16ft","offer_id":53587028017517,"sku":null,"price":5471.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 16ft \/ 25ft","offer_id":53587028050285,"sku":null,"price":5508.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 16ft \/ 35ft","offer_id":53587028083053,"sku":null,"price":5746.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 16ft \/ 50ft","offer_id":53587028115821,"sku":null,"price":5831.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 25ft \/ 16ft","offer_id":53587028148589,"sku":null,"price":5508.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 25ft \/ 25ft","offer_id":53587028181357,"sku":null,"price":5545.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 25ft \/ 35ft","offer_id":53587028214125,"sku":null,"price":5783.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 25ft \/ 50ft","offer_id":53587028246893,"sku":null,"price":5868.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 35ft \/ 16ft","offer_id":53587028279661,"sku":null,"price":5746.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 35ft \/ 25ft","offer_id":53587028312429,"sku":null,"price":5783.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 35ft \/ 35ft","offer_id":53587028345197,"sku":null,"price":6021.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 35ft \/ 50ft","offer_id":53587028377965,"sku":null,"price":6106.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 50ft \/ 16ft","offer_id":53587028410733,"sku":null,"price":5831.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 50ft \/ 25ft","offer_id":53587028443501,"sku":null,"price":5868.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 50ft \/ 35ft","offer_id":53587028476269,"sku":null,"price":6106.0,"currency_code":"USD","in_stock":true},{"title":"35ft \/ 50ft \/ 50ft","offer_id":53587028509037,"sku":null,"price":6191.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 16ft \/ 16ft","offer_id":53587028541805,"sku":null,"price":5556.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 16ft \/ 25ft","offer_id":53587028574573,"sku":null,"price":5593.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 16ft \/ 35ft","offer_id":53587028607341,"sku":null,"price":5831.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 16ft \/ 50ft","offer_id":53587028640109,"sku":null,"price":5916.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 25ft \/ 16ft","offer_id":53587028672877,"sku":null,"price":5593.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 25ft \/ 25ft","offer_id":53587028705645,"sku":null,"price":5630.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 25ft \/ 35ft","offer_id":53587028738413,"sku":null,"price":5868.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 25ft \/ 50ft","offer_id":53587028771181,"sku":null,"price":5953.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 35ft \/ 16ft","offer_id":53587028803949,"sku":null,"price":5831.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 35ft \/ 25ft","offer_id":53587028836717,"sku":null,"price":5868.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 35ft \/ 35ft","offer_id":53587028869485,"sku":null,"price":6106.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 35ft \/ 50ft","offer_id":53587028902253,"sku":null,"price":6191.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 50ft \/ 16ft","offer_id":53587028935021,"sku":null,"price":5916.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 50ft \/ 25ft","offer_id":53587028967789,"sku":null,"price":5953.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 50ft \/ 35ft","offer_id":53587029000557,"sku":null,"price":6191.0,"currency_code":"USD","in_stock":true},{"title":"50ft \/ 50ft \/ 50ft","offer_id":53587029033325,"sku":null,"price":6276.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/6996\/6445\/files\/MRCOOL_DIY_5th_Gen_3-Zone_21_000_BTU_Ceiling_Cassette_Ductless_Mini_Split_Air_Conditioner_Heat_Pump_6K_6K_9K.png?v=1785068234","url":"https:\/\/ironlinetools.com\/products\/mrcool-diy-5th-gen-3-zone-21-000-btu-ceiling-cassette-ductless-mini-split-air-conditioner-heat-pump-6k-6k-9k","provider":"Iron Line Tools","version":"1.0","type":"link"}